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Articles by N. Petalotis
Total Records ( 10 ) for N. Petalotis
  C. Stavrianos , C. Papadopoulos , L. Vasiliadis , P. Dagkalis , I. Stavrianou and N. Petalotis
  Tooth enamel is the hardest and most highly mineralized substance of the body and with dentin, cementum and dental pulp is one of the four major tissues which make up the tooth in vertebrates. The unique microstructure of enamel resides fossilized tracks of its growth process. These tracks represent the incremental growth of enamel. Forensic odontology is a vital and integral part of forensic science. Essential data could be derived by the study of the enamel structure and contribute in dental identification, age estimation procedures and archaeology, anthropology and forensic researches. Further advances in image analysis and computer technology would enhance the knowledge and improve the accuracy of methods used in Forensic odontology field.
  C. Stavrianos , L. Vasiliadis , C. Papadopoulos , A. Pantazis , N. Petalotis , D. Tatsis and E. Samara
  The trauma caused on the skin from the contact of the teeth with or without the contribution of the soft oral tissues (lips, tongue) is defined as a bite mark. They can be caused either by humans or by animals and are usually found in two kinds of cases: crimes and homicides with and without sexual activity and child abuse. Bite marks can be found on both victims and assaulters. In mortal combat situations such as the violence associated with life and death struggles between assailants and victims, the teeth are often used as a weapon. Indeed using the teeth to inflict serious injury on an attacker may be the only available defensive method for a victim. The frequency of occurrence of bite injuries at specific locations varies with the type of crime and sex and age of the victim. This case report aims to present a victim who was involved in a fight and the facial bite mark on the right part of the face was the only evidence for that. The concurrent methodology on collecting data from the mark and the possible suspect as well as the comparison techniques is also reported.
  C. Stavrianos , N. Petalotis , O. Pantelidou , C. Papadopoulos , A. Pantazis and L. Grigoropoulos
  Human beings biting themselves or other humans is something relatively common in Forensics. On the contrary is a very rare subject in Art. The aim of this study is to show nine cases in European painting where this action is depicted. They include frescoes, paintings on wood using tempera and oil colours on canvas, one engraving and two icons. Chronologically they span from 15-19th century. Four of them depict scenes from the Last Judgement of Christ, three of them are inspired from Dante’s Inferno as described in the Divine Comedy and the last two are marginal scenes of icons showing the life of St. Andrew the Apostle. Although, these paintings are not the only ones about this subject they are good examples. A thorough research in sculpture and minor arts may yield other examples.
  C. Stavrianos , E. Georgaka , G. Sarafidis , D. Aroni , L. Vasiliadis , G. Tretiakov and N. Petalotis
  The ability of the teeth to survive in most of the conditions encountered at death and during decomposition has made forensic dentistry very useful in recognition of unknown bodies. Recognition can be reached by comparison of the postmortem and antemortem dental record and determination if the two records were made or could have been made from the same individual. Dental identification depends on the condition of the victim and the availability of antemortem dental records and therefore an accurate dental charting with radiographs is of high importance and can lead to safer conclusions. As in every identification, DNA can play a significant role in dental ones. Additionally, dental prosthetics and endodontic imaging are valuable sources of data useful in the whole process.
  C. Stavrianos , L. Zouloumis , C. Papadopoulos , J. Emmanouil , N. Petalotis and P. Tsakmalis
  Forensic Odontology uses a variety of methods in identification of human remains. One of them is done by the use of facial mapping which involves the use of antemortem photographs and comparison with the postmortem skull. The current techniques are: morphological comparison, photoanthropometry or photogrammetry and photographic superimposition. Despite the fact that these techniques are complex and substain a variety of technical restrictions, they are widely approved and applied.
  C. Stavrianos , C. Papadopoulos , O. Pantelidou , J. Emmanouil and N. Petalotis
  The human face holds key information about identity such as age, sex and ethnicity, information that enables the identification of a single individual. The photographs are used commonly in identifications procedures so that lay people can make cursory identification by comparing the suspect in question with his/her photograph. The other race effect appears to have a significant influence in the face recognition process and facia mapping analyses.
  C. Stavrianos , C. Papadopoulos , O. Pantelidou , J. Emmanouil and N. Petalotis
  Recognizing the identities of people is a basic requirement for the establishment and maintenance of social act and communication and face recognition is an ability that humans develop and become very skilled as they grow up. Recognition has always been a very intriguing and highly researched topic and implies the tasks of identification or authentication. It is apparent that face recognition for human beings involves more than simple tasks of shape matching of features and face. Despite the fact that is not fully understood how humans recognise people what is known today is that they use a combination of identifiers such as height, voice and facial features.
  C. Stavrianos , C. Papadopoulos , O. Pantelidou , J. Emmanouil , N. Petalotis and D. Tatsis
  In forensic practice, there is a frequent demand for comparison of facial images of perpetrators and suspects. Photoanthropometry is the science of measurements from precisely defined marker points of the face and is commonly used to provide opinion evidence of identity from examination of facial pictures. In facial mapping, it is based on quantitative analysis on measurements of the distances and angles between anatomical facial landmarks and the generation of indices based on them.
  C. Stavrianos , I. Ioannidou-Marathiotou , O. Pantelidou , N. Petalotis , E. Samara and D. Tatsis
  In this in vitro survey an examination of credibility of general and specific morphological characteristics of human palatal rugae was undertaken in order to be used at the process of identification or disassociation in Forensic Odontology. About 50 orthodontics’ cases were examined. The casts were collected before and after the orthodontic treatment which lasted from 18 months to 4 years. Then, the 50 after treatment casts were mixed among 100 other randomly selected casts. All the surfaces of the casts except for the one representing the palatal rugae were trimmed by an orthodontic trimmer. The 50 before treatment casts were given to 5 researchers and the last ones were asked to compare them with the 150 casts for possible similarities. The collection of data occurred by the form of percentage proportions of correct recognition and requisite time for compare and recognition. The 4 researchers identified the casts correctly at a percentage of 100% and the one combined correctly the 47 casts (94%), (non-statistic significant difference, t-test). It appears that the form of the palatal rugae is a rather distinctive attribute in order to be recognized between individual persons. It is concluded from this study that the general shape, size and other significant data are identified as unique and personalized forensic evidence of identification.
  C. Stavrianos , C. Papadopoulos , J. Emmanouil , A. Lefkelidou and N. Petalotis
  Verification of the identity of an unknown person is one of the most essential aspects of forensic practice. The reliability of identification of human remains by comparison of antemortem and postmortem radiographs of frontal sinus is well established as appear to be unique in each individual. A frontal sinus comparison can be particularly useful when an individual is edentulous. However, the use in practice of frontal sinus remains limited. The aim of this study is to present the method of identification through comparison of frontal sinus outlines radiographs.
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